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SIMILAR QUESTIONS

Q1
Q2

If A and B are acute angles such that sin A = sin2 B, 2cos2 A = 3 cos2 B; then

Q3

If cos (θ – α), cos θ and cos (θ + α) are in harmonic progression, then cosθ sec (α/2) is equal to

Q4

If A and B are acute angles such that A + B and A – B satisfy the equation tan2 θ – 4 tan θ + 1 = 0, then find the value of A and B.

Q5

Find the possible integral values of a for which cos 2x + a sin x = 2a – 7 has solutions.

Q6

Simplify the product cos A cos 2A. cos22A…..cos2n-1A.

Q7

Find the maximum and minimum values of 

Q8

If cos 5θ = a cos θ + b cos3 θ + c cos5 θ + d, then

Q10

If tan α = 5/6 and tan β = 1/11, then